A088908 Numbers expressible as sum or difference of the squares of two distinct primes.

5, 13, 16, 21, 24, 29, 34, 40, 45, 48, 53, 58, 72, 74, 96, 112, 117, 120, 125, 130, 144, 146, 160, 165, 168, 170, 173, 178, 192, 194, 218, 240, 264, 280, 285, 288, 290, 293, 298, 312, 314, 336, 338, 352, 357, 360, 365, 370, 386, 408, 410, 432, 458, 480, 482

Offset: 1

Author

Hugo Pfoertner, Oct 22 2003

Keywords

• nonn

Examples

			a(1)=3*3-2*2=5, a(2)=3*3+2*2=13, a(3)=5*5-3*3=16
		

Crossrefs

Cf. A001481, A062316, A088909.